Table 2.
Simple correlation and multiple stepwise linear regression analysis of food intake for DIO-STZ rats following Ex-4 administration (changes in average food intake as dependent variable)
| Independent variable | Univariate |
Stepwise |
||
|---|---|---|---|---|
| R | p | standardized β | p | |
| |Δblood insulin| | 0.714 | 0.047 | − | − |
| |Δblood ghrelin| | 0.734 | 0.038 | 0.700 | 0.013 |
| |Δgastric ghrelin| | 0.730 | 0.040 | − | − |
| |Δhypothalamic ghrelin| | 0.750 | 0.032 | 0.556 | 0.030 |
| |Δblood obestatin| | 0.715 | 0.046 | − | − |
A refers to the change between before (0 min) and after Ex-4 administration (8 h). STZ, streptozotocin; DIO, diet-induced obesity; Ex, exendin.